Viewing archive of Sunday, 11 March 2018

Solar activity report

Any mentioned solar flare in this report has a scaling factor applied by the Space Weather Prediction Center (SWPC). Because of the SWPC scaling factor, solar flares are reported as 42% smaller than for the science quality data. The scaling factor has been removed from our archived solar flare data to reflect the true physical units.
Report of Solar-Geophysical Activity 2018 Mar 11 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 70 Issued at 2200Z on 11 Mar 2018

IA. Analysis of Solar Active Regions and Activity from 10-2100Z to 11-2100Z

Solar activity has been at very low levels for the past 24 hours. There are currently 0 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be very low on days one, two, and three (12 Mar, 13 Mar, 14 Mar).
IIA. Geophysical Activity Summary 10-2100Z to 11-2100Z
The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 460 km/s at 11/1213Z. Total IMF reached 13 nT at 10/2107Z. The maximum southward component of Bz reached -4 nT at 11/0407Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 168 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet levels on days one and two (12 Mar, 13 Mar) and quiet to unsettled levels on day three (14 Mar).
III. Event Probabilities 12 Mar to 14 Mar
Class M01%01%01%
Class X01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       11 Mar 068
  Predicted   12 Mar-14 Mar 068/068/068
  90 Day Mean        11 Mar 071

V. Geomagnetic A Indices
  Observed Afr/Ap 10 Mar  009/011
  Estimated     Afr/Ap 11 Mar  005/006
  Predicted    Afr/Ap 12 Mar-14 Mar  006/005-006/005-007/008

VI. Geomagnetic Activity Probabilities 12 Mar to 14 Mar
A. Middle Latitudes
Active10%10%20%
Minor storm01%01%05%
Major-severe storm01%01%01%
B. High Latitudes
Active15%15%20%
Minor storm20%20%25%
Major-severe storm10%10%20%

All times in UTC

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